Back to Security Advisories

ConfigServer Security & Firewall (CSF) 16.18-1 — cPanel & WHM Update

Managesieve LFD alert fix Added managesieve-login to csf.pignore to prevent excessive LFD resource alerts triggered by the Dovecot managesieve plugin (CPANEL-52448). For a full list of changes, read the ConfigServer Security & Firewall (CSF) change log.

Medium
cPanel CSF

Affected Versions

16.18-1

Managesieve LFD alert fix Added managesieve-login to csf.pignore to prevent excessive LFD resource alerts triggered by the Dovecot managesieve plugin (CPANEL-52448). For a full list of changes, read the ConfigServer Security & Firewall (CSF) change log.

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo /scripts/upcp --force

References

Security Advisories

Related Advisories

Security: Privilege Escalation via Phusion Passenger’s Watchdog API

2026-09-08

Security: GCVE-25-2026-07-45-3 Exim .forward Privilege Escalation

2026-09-08

Security: CVE-2026-58048 Database Privilege Escalation

2026-09-08

Check your system for vulnerabilities

Size uygun tam düzeltme komutlarını görmek için ürününüzü ve işletim sisteminizi seçin.

Check Your System